- Agriculture, Forestry & Fishing
- Agricultural Production Crops (91)
- Agriculture production livestock and animal specialties (70)
- Agricultural Services (730)
- Forestry (5)
- Fishing, hunting, and trapping (6)
- Construction & Mining
- Oil And Gas Extraction (9)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (9)
- Building Construction General Contractors And Operative Builders (1568)
- Heavy Construction Other Than Building Construction Contractors (112)
- Construction Special Trade Contractors (2989)
- Manufacturing
- Food And Kindred Products (48)
- Tobacco Products (2)
- Textile Mill Products (27)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (57)
- Lumber And Wood Products, Except Furniture (135)
- Furniture And Fixtures (45)
- Paper And Allied Products (11)
- Printing, Publishing, And Allied Industries (278)
- Chemicals And Allied Products (69)
- Petroleum Refining And Related Industries (5)
- Rubber And Miscellaneous Plastics Products (45)
- Leather And Leather Products (9)
- Stone, Clay, Glass, And Concrete Products (93)
- Primary Metal Industries (11)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (116)
- Industrial And Commercial Machinery And Computer Equipment (149)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (80)
- Manufacturing (con't)
- Transportation Equipment (59)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (68)
- Miscellaneous Manufacturing Industries (201)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (71)
- Motor Freight Transportation And Warehousing (307)
- United States Postal Service (5)
- Water Transportation (58)
- Transportation By Air (32)
- Pipelines, Except Natural Gas (1)
- Transportation Services (285)
- Communications (283)
- Electric, Gas, And Sanitary Services (74)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (1104)
- Wholesale Trade-non-durable Goods (565)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (299)
- General Merchandise Stores (59)
- Food Stores (411)
- Automotive Dealers And Gasoline Service Stations (499)
- Apparel And Accessory Stores (392)
- Home Furniture, Furnishings, And Equipment Stores (643)
- Eating And Drinking Places (1159)
- Miscellaneous Retail (1588)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (439)
- Real Estate (2201)
- Holding And Other Investment Offices (1103)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (188)
- Personal Services (1280)
- Business Services (9983)
- Automotive Repair, Services, And Parking (578)
- Miscellaneous Repair Services (743)
- Motion Pictures (180)
- Amusement And Recreation Services (675)
- Health Services (2122)
- Legal Services (554)
- Educational Services (278)
- Social Services (501)
- Museums, Art Galleries, And Botanical And Zoological Gardens (61)
- Membership Organizations (1134)
- Engineering, Accounting, Research, Management, And Related Services (2295)
- Miscellaneous Services (803)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (65)
- Justice, Public Order, And Safety (52)
- Public Finance, Taxation, And Monetary Policy (7)
- Administration Of Human Resource Programs (22)
- Administration Of Environmental Quality And Housing Programs (18)
- Administration Of Economic Programs (14)
- National Security And International Affairs (7)
- Nonclassifiable Establishments (6720)
